Advocate B. Mariyappan is a practicing Advocate enrolled with the Bar Council of Tamil Nadu & Puducherry, holding an LLB and pursuing PhD research in Criminology and Forensic Science. He delivers Legal Advocacy, Legal Advisor for Private Detective and Investigations Services, including cyber investigation and matrimonial matters, with a strong focus on evidence, legality, and confidentiality.

With a combined background in litigation, criminological and forensic research, he provides ethically compliant and legally sustainable solutions to individuals, corporates, institutions, and investigative professionals. He is also the Founder of UNIP-India (Unified Network of Investigative Professionals – India), a national platform bringing together advocates, investigators, forensic experts, criminologists, cyber specialists, and risk professionals to promote lawful investigation practices and professional standards in India.